void check_conflict(struct dependency *dep, struct pkginfo *pkg,
const char *pfilename) {
struct pkginfo *fixbyrm;
struct deppossi *pdep, flagdeppossi;
struct varbuf conflictwhy = VARBUF_INIT, removalwhy = VARBUF_INIT;
struct dependency *providecheck;
fixbyrm = NULL;
if (depisok(dep, &conflictwhy, &fixbyrm, false)) {
varbuf_destroy(&conflictwhy);
varbuf_destroy(&removalwhy);
return;
}
if (fixbyrm) {
ensure_package_clientdata(fixbyrm);
if (fixbyrm->clientdata->istobe == itb_installnew) {
fixbyrm= dep->up;
ensure_package_clientdata(fixbyrm);
}
if (((pkg->available.essential && fixbyrm->installed.essential) ||
(((fixbyrm->want != want_install && fixbyrm->want != want_hold) ||
does_replace(pkg, &pkg->available, fixbyrm, &fixbyrm->installed)) &&
(!fixbyrm->installed.essential || fc_removeessential)))) {
assert(fixbyrm->clientdata->istobe == itb_normal || fixbyrm->clientdata->istobe == itb_deconfigure);
fixbyrm->clientdata->istobe= itb_remove;
fprintf(stderr, _("dpkg: considering removing %s in favour of %s ...\n"),
fixbyrm->name, pkg->name);
if (!(fixbyrm->status == stat_installed ||
fixbyrm->status == stat_triggerspending ||
fixbyrm->status == stat_triggersawaited)) {
fprintf(stderr,
_("%s is not properly installed - ignoring any dependencies on it.\n"),
fixbyrm->name);
pdep = NULL;
} else {
for (pdep= fixbyrm->installed.depended;
pdep;
pdep = pdep->rev_next) {
if (pdep->up->type != dep_depends && pdep->up->type != dep_predepends)
continue;
if (depisok(pdep->up, &removalwhy, NULL, false))
continue;
varbufaddc(&removalwhy,0);
if (!try_remove_can(pdep,fixbyrm,removalwhy.buf))
break;
}
if (!pdep) {
/* If we haven't found a reason not to yet, let's look some more. */
for (providecheck= fixbyrm->installed.depends;
providecheck;
providecheck= providecheck->next) {
if (providecheck->type != dep_provides) continue;
for (pdep= providecheck->list->ed->installed.depended;
pdep;
pdep = pdep->rev_next) {
if (pdep->up->type != dep_depends && pdep->up->type != dep_predepends)
continue;
if (depisok(pdep->up, &removalwhy, NULL, false))
continue;
varbufaddc(&removalwhy,0);
fprintf(stderr, _("dpkg"
": may have trouble removing %s, as it provides %s ...\n"),
fixbyrm->name, providecheck->list->ed->name);
if (!try_remove_can(pdep,fixbyrm,removalwhy.buf))
goto break_from_both_loops_at_once;
}
}
break_from_both_loops_at_once:;
}
}
if (!pdep && skip_due_to_hold(fixbyrm)) {
pdep= &flagdeppossi;
}
if (!pdep && (fixbyrm->eflag & eflag_reinstreq)) {
if (fc_removereinstreq) {
fprintf(stderr, _("dpkg: package %s requires reinstallation, but will"
" remove anyway as you requested.\n"), fixbyrm->name);
} else {
fprintf(stderr, _("dpkg: package %s requires reinstallation, "
"will not remove.\n"), fixbyrm->name);
pdep= &flagdeppossi;
}
}
if (!pdep) {
if (cflict_index >= MAXCONFLICTORS)
ohshit(_("package %s has too many Conflicts/Replaces pairs"),
pkg->name);
/* This conflict is OK - we'll remove the conflictor. */
conflictor[cflict_index++]= fixbyrm;
varbuf_destroy(&conflictwhy); varbuf_destroy(&removalwhy);
fprintf(stderr, _("dpkg: yes, will remove %s in favour of %s.\n"),
fixbyrm->name, pkg->name);
return;
}
/* Put it back. */
fixbyrm->clientdata->istobe = itb_normal;
}
}
varbufaddc(&conflictwhy,0);
fprintf(stderr, _("dpkg: regarding %s containing %s:\n%s"),
pfilename, pkg->name, conflictwhy.buf);
if (!force_conflicts(dep->list))
ohshit(_("conflicting packages - not installing %.250s"),pkg->name);
warning(_("ignoring conflict, may proceed anyway!"));
varbuf_destroy(&conflictwhy);
return;
}
/*
* Return values:
* 0: cannot be satisfied.
* 1: defer: may be satisfied later, when other packages are better or
* at higher dependtry due to --force
* will set *fixbytrig to package whose trigger processing would help
* if applicable (and leave it alone otherwise).
* 2: not satisfied but forcing
* (*interestingwarnings >= 0 on exit? caller is to print oemsgs).
* 3: satisfied now.
*/
static enum found_status
deppossi_ok_found(struct pkginfo *possdependee, struct pkginfo *requiredby,
struct pkginfo *removing, struct deppossi *provider,
struct pkginfo **fixbytrig,
bool *matched, struct deppossi *checkversion,
int *interestingwarnings, struct varbuf *oemsgs)
{
enum found_status thisf;
if (ignore_depends(possdependee)) {
debug(dbg_depcondetail," ignoring depended package so ok and found");
return FOUND_OK;
}
thisf = FOUND_NONE;
if (possdependee == removing) {
if (provider) {
varbuf_printf(oemsgs,
_(" Package %s which provides %s is to be removed.\n"),
pkg_name(possdependee, pnaw_nonambig),
provider->ed->name);
} else {
varbuf_printf(oemsgs, _(" Package %s is to be removed.\n"),
pkg_name(possdependee, pnaw_nonambig));
}
*matched = true;
debug(dbg_depcondetail," removing possdependee, returning %d",thisf);
return thisf;
}
switch (possdependee->status) {
case PKG_STAT_UNPACKED:
case PKG_STAT_HALFCONFIGURED:
case PKG_STAT_TRIGGERSAWAITED:
case PKG_STAT_TRIGGERSPENDING:
case PKG_STAT_INSTALLED:
if (checkversion) {
if (provider) {
debug(dbg_depcondetail, " checking package %s provided by pkg %s",
checkversion->ed->name, pkg_name(possdependee, pnaw_always));
if (!pkg_virtual_deppossi_satisfied(checkversion, provider)) {
varbuf_printf(oemsgs,
_(" Version of %s on system, provided by %s, is %s.\n"),
checkversion->ed->name,
pkg_name(possdependee, pnaw_always),
versiondescribe(&provider->version, vdew_nonambig));
if (in_force(FORCE_DEPENDS_VERSION))
thisf = found_forced_on(DEPEND_TRY_FORCE_DEPENDS_VERSION);
debug(dbg_depcondetail, " bad version");
goto unsuitable;
}
} else {
debug(dbg_depcondetail, " checking non-provided pkg %s",
pkg_name(possdependee, pnaw_always));
if (!versionsatisfied(&possdependee->installed, checkversion)) {
varbuf_printf(oemsgs, _(" Version of %s on system is %s.\n"),
pkg_name(possdependee, pnaw_nonambig),
versiondescribe(&possdependee->installed.version,
vdew_nonambig));
if (in_force(FORCE_DEPENDS_VERSION))
thisf = found_forced_on(DEPEND_TRY_FORCE_DEPENDS_VERSION);
debug(dbg_depcondetail, " bad version");
goto unsuitable;
}
}
}
if (possdependee->status == PKG_STAT_INSTALLED ||
possdependee->status == PKG_STAT_TRIGGERSPENDING) {
debug(dbg_depcondetail," is installed, ok and found");
return FOUND_OK;
}
if (possdependee->status == PKG_STAT_TRIGGERSAWAITED) {
if (possdependee->trigaw.head == NULL)
internerr("package %s in state %s, has no awaited triggers",
pkg_name(possdependee, pnaw_always),
pkg_status_name(possdependee));
if (removing ||
!(f_triggers ||
(possdependee->clientdata &&
possdependee->clientdata->istobe == PKG_ISTOBE_INSTALLNEW))) {
if (provider) {
varbuf_printf(oemsgs,
_(" Package %s which provides %s awaits trigger processing.\n"),
pkg_name(possdependee, pnaw_nonambig),
provider->ed->name);
} else {
varbuf_printf(oemsgs,
_(" Package %s awaits trigger processing.\n"),
pkg_name(possdependee, pnaw_nonambig));
}
debug(dbg_depcondetail, " triggers-awaited, no fixbytrig");
goto unsuitable;
}
/* We don't check the status of trigaw.head->pend here, just in case
* we get into the pathological situation where Triggers-Awaited but
* the named package doesn't actually have any pending triggers. In
* that case we queue the non-pending package for trigger processing
* anyway, and that trigger processing will be a noop except for
* sorting out all of the packages which name it in Triggers-Awaited.
*
* (This situation can only arise if modstatdb_note success in
* clearing the triggers-pending status of the pending package
* but then fails to go on to update the awaiters.) */
*fixbytrig = possdependee->trigaw.head->pend;
debug(dbg_depcondetail,
" triggers-awaited, fixbytrig '%s', defer",
pkg_name(*fixbytrig, pnaw_always));
return FOUND_DEFER;
}
if (possdependee->clientdata &&
possdependee->clientdata->istobe == PKG_ISTOBE_INSTALLNEW) {
debug(dbg_depcondetail," unpacked/halfconfigured, defer");
return FOUND_DEFER;
} else if (!removing && in_force(FORCE_CONFIGURE_ANY) &&
!skip_due_to_hold(possdependee) &&
!(possdependee->status == PKG_STAT_HALFCONFIGURED)) {
notice(_("also configuring '%s' (required by '%s')"),
pkg_name(possdependee, pnaw_nonambig),
pkg_name(requiredby, pnaw_nonambig));
enqueue_package(possdependee);
sincenothing = 0;
return FOUND_DEFER;
} else {
if (provider) {
varbuf_printf(oemsgs,
_(" Package %s which provides %s is not configured yet.\n"),
pkg_name(possdependee, pnaw_nonambig),
provider->ed->name);
} else {
varbuf_printf(oemsgs, _(" Package %s is not configured yet.\n"),
pkg_name(possdependee, pnaw_nonambig));
}
debug(dbg_depcondetail, " not configured/able");
goto unsuitable;
}
default:
if (provider) {
varbuf_printf(oemsgs,
_(" Package %s which provides %s is not installed.\n"),
pkg_name(possdependee, pnaw_nonambig),
provider->ed->name);
} else {
varbuf_printf(oemsgs, _(" Package %s is not installed.\n"),
pkg_name(possdependee, pnaw_nonambig));
}
debug(dbg_depcondetail, " not installed");
goto unsuitable;
}
unsuitable:
debug(dbg_depcondetail, " returning %d", thisf);
(*interestingwarnings)++;
return thisf;
}
/*
* Return values:
* 0: cannot be satisfied.
* 1: defer: may be satisfied later, when other packages are better or
* at higher dependtry due to --force
* will set *fixbytrig to package whose trigger processing would help
* if applicable (and leave it alone otherwise).
* 2: not satisfied but forcing
* (*interestingwarnings >= 0 on exit? caller is to print oemsgs).
* 3: satisfied now.
*/
static enum found_status
deppossi_ok_found(struct pkginfo *possdependee, struct pkginfo *requiredby,
struct pkginfo *removing, struct pkgset *providing,
struct pkginfo **fixbytrig,
bool *matched, struct deppossi *checkversion,
int *interestingwarnings, struct varbuf *oemsgs)
{
enum found_status thisf;
if (ignore_depends(possdependee)) {
debug(dbg_depcondetail," ignoring depended package so ok and found");
return found_ok;
}
thisf = found_none;
if (possdependee == removing) {
if (providing) {
varbuf_printf(oemsgs,
_(" Package %s which provides %s is to be removed.\n"),
pkg_name(possdependee, pnaw_nonambig), providing->name);
} else {
varbuf_printf(oemsgs, _(" Package %s is to be removed.\n"),
pkg_name(possdependee, pnaw_nonambig));
}
*matched = true;
debug(dbg_depcondetail," removing possdependee, returning %d",thisf);
return thisf;
}
switch (possdependee->status) {
case stat_unpacked:
case stat_halfconfigured:
case stat_triggersawaited:
case stat_triggerspending:
case stat_installed:
if (checkversion && !versionsatisfied(&possdependee->installed,checkversion)) {
varbuf_printf(oemsgs, _(" Version of %s on system is %s.\n"),
pkg_name(possdependee, pnaw_nonambig),
versiondescribe(&possdependee->installed.version,
vdew_nonambig));
assert(checkversion->verrel != dpkg_relation_none);
if (fc_dependsversion)
thisf = (dependtry >= 3) ? found_forced : found_defer;
debug(dbg_depcondetail," bad version, returning %d",thisf);
(*interestingwarnings)++;
return thisf;
}
if (possdependee->status == stat_installed ||
possdependee->status == stat_triggerspending) {
debug(dbg_depcondetail," is installed, ok and found");
return found_ok;
}
if (possdependee->status == stat_triggersawaited) {
assert(possdependee->trigaw.head);
if (removing || !(f_triggers ||
possdependee->clientdata->istobe == itb_installnew)) {
if (providing) {
varbuf_printf(oemsgs,
_(" Package %s which provides %s awaits trigger processing.\n"),
pkg_name(possdependee, pnaw_nonambig), providing->name);
} else {
varbuf_printf(oemsgs,
_(" Package %s awaits trigger processing.\n"),
pkg_name(possdependee, pnaw_nonambig));
}
debug(dbg_depcondetail, " triggers-awaited, no fixbytrig");
goto unsuitable;
}
/* We don't check the status of trigaw.head->pend here, just in case
* we get into the pathological situation where Triggers-Awaited but
* the named package doesn't actually have any pending triggers. In
* that case we queue the non-pending package for trigger processing
* anyway, and that trigger processing will be a noop except for
* sorting out all of the packages which name it in Triggers-Awaited.
*
* (This situation can only arise if modstatdb_note success in
* clearing the triggers-pending status of the pending package
* but then fails to go on to update the awaiters.) */
*fixbytrig = possdependee->trigaw.head->pend;
debug(dbg_depcondetail,
" triggers-awaited, fixbytrig '%s', defer",
pkg_name(*fixbytrig, pnaw_always));
return found_defer;
}
if (possdependee->clientdata &&
possdependee->clientdata->istobe == itb_installnew) {
debug(dbg_depcondetail," unpacked/halfconfigured, defer");
return found_defer;
} else if (!removing && fc_configureany &&
!skip_due_to_hold(possdependee) &&
!(possdependee->status == stat_halfconfigured)) {
notice(_("also configuring '%s' (required by '%s')"),
pkg_name(possdependee, pnaw_nonambig),
pkg_name(requiredby, pnaw_nonambig));
enqueue_package(possdependee);
sincenothing = 0;
return found_defer;
} else {
if (providing) {
varbuf_printf(oemsgs,
_(" Package %s which provides %s is not configured yet.\n"),
pkg_name(possdependee, pnaw_nonambig), providing->name);
} else {
varbuf_printf(oemsgs, _(" Package %s is not configured yet.\n"),
pkg_name(possdependee, pnaw_nonambig));
}
debug(dbg_depcondetail, " not configured/able");
goto unsuitable;
}
default:
if (providing) {
varbuf_printf(oemsgs,
_(" Package %s which provides %s is not installed.\n"),
pkg_name(possdependee, pnaw_nonambig), providing->name);
} else {
varbuf_printf(oemsgs, _(" Package %s is not installed.\n"),
pkg_name(possdependee, pnaw_nonambig));
}
debug(dbg_depcondetail, " not installed");
goto unsuitable;
}
unsuitable:
debug(dbg_depcondetail, " returning %d", thisf);
(*interestingwarnings)++;
return thisf;
}
